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News/SMART: LLM-Augmented Hybrid Retrieval for Dynamic Product Ads
arxiv
PublishedJuly 29, 2026 at 4:00 AM
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SMART: LLM-Augmented Hybrid Retrieval for Dynamic Product Ads

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arXiv:2607.23121v1 Announce Type: cross Abstract: Dynamic Product Ads (DPA) require retrieving relevant items from multi-million product catalogs, balancing two competing objectives: retargeting (re-surfacing known interests) and prospecting (discovering new categories). While Large Language Models

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